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<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-size:14.0pt;line-height:200%;font-family:"Microsoft YaHei"'>enable</span></b></p>

<p class=MsoNormal align=left style='margin-bottom:12.0pt;text-align:left;
text-indent:21.0pt;line-height:200%;text-autospace:none'><span lang=EN-US
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>enable</span><span
style='font-family:"Microsoft YaHei";color:black;vertical-align:sub'>指令用来关闭或者激活<span
lang=EN-US>shell</span>内部命令。此命令的适用范围：<span lang=EN-US>RedHat</span>、<span
lang=EN-US>RHEL</span>、<span lang=EN-US>Ubuntu</span>、<span lang=EN-US>CentOS</span>、<span
lang=EN-US>Fedora</span>。</span></p>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>1</span></b><b><span style='font-family:
"Microsoft YaHei"'>、语法</span></b></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><b><span
lang=EN-US style='font-family:"Microsoft YaHei"'>enable  [-a]  [-dnps]  [-f
filename]  [name ...]</span></b></p>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>&nbsp;</span></b></p>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>2</span></b><b><span style='font-family:
"Microsoft YaHei"'>、选项列表</span></b></p>

<table class=MsoTableGrid border=1 cellspacing=0 cellpadding=0 width="95%"
 style='width:95.0%;margin-left:24.1pt;border-collapse:collapse;border:none'>
 <tr>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  background:#E7E6E6;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>选项</span></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border:solid windowtext 1.0pt;
  border-left:none;background:#E7E6E6;padding:0cm 5.4pt 0cm 5.4pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>说明</span></p>
  </td>
 </tr>
 <tr style='height:32.35pt'>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-a</span></b></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>显示所有的<span
  lang=EN-US>shell</span>内部命令，包括激活的和关闭的</span></p>
  </td>
 </tr>
 <tr style='height:32.35pt'>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-n</span></b></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>关闭指定的<span
  lang=EN-US>shell</span>命令，如果没有指定，那么就显示已经关闭的命令</span></p>
  </td>
 </tr>
 <tr style='height:32.35pt'>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-f</span></b></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>从指令的文件中下载新的<span
  lang=EN-US>shell</span>命令</span></p>
  </td>
 </tr>
 <tr style='height:32.35pt'>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-d</span></b></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>删除之前的命令</span></p>
  </td>
 </tr>
 <tr style='height:32.35pt'>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-p</span></b></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>显示所有激活的<span
  lang=EN-US>shell</span>命令</span></p>
  </td>
 </tr>
 <tr style='height:32.35pt'>
  <td width="28%" valign=top style='width:28.58%;border:solid windowtext 1.0pt;
  border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
  style='font-family:"Microsoft YaHei"'>-s</span></b></p>
  </td>
  <td width="71%" valign=top style='width:71.42%;border-top:none;border-left:
  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
  padding:0cm 5.4pt 0cm 5.4pt;height:32.35pt'>
  <p class=MsoNormal style='line-height:200%'><span style='font-family:"Microsoft YaHei"'>输出严格遵循<span
  lang=EN-US>posix</span>标准定义的命令</span></p>
  </td>
 </tr>
</table>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>&nbsp;</span></b></p>

<p class=MsoNormal style='line-height:200%'><b><span lang=EN-US
style='font-family:"Microsoft YaHei"'>3</span></b><b><span style='font-family:
"Microsoft YaHei"'>、实例</span></b></p>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>1</span><span
style='font-family:"Microsoft YaHei"'>）输出<span lang=EN-US>posix</span>标准的命令</span></p>

<table class=a0 border=1 cellspacing=0 cellpadding=0 width="95%"
 style='width:95.0%;margin-left:24.1pt;border-collapse:collapse;border:none'>
 <tr style='height:14.9pt'>
  <td width=836 valign=top style='width:836.15pt;border:solid windowtext 1.0pt;
  background:#E7E6E6;padding:0cm 5.4pt 0cm 5.4pt;height:14.9pt'>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>[root@localhost ~]#<b> enable –s                    //</b></span><b><span
  style='font-size:10.0pt;line-height:200%;color:black'>显示严格遵循</span></b><b><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>posix</span></b><b><span style='font-size:10.0pt;line-height:
  200%;color:black'>标准的命令，比</span></b><b><span lang=EN-US style='font-size:
  10.0pt;line-height:200%;font-family:Menlo;color:black'>-a</span></b><b><span
  style='font-size:10.0pt;line-height:200%;color:black'>选项的结果少了很多</span></b></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable .</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable :</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable break</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable continue</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable eval</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable execen’a</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable exit</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable export</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable readonly</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable return</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable set</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable shift</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable source</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable times</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable trap</span></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable unset</span></p>
  </td>
 </tr>
</table>

<p class=MsoNormal style='text-indent:21.0pt;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>2</span><span
style='font-family:"Microsoft YaHei"'>）关闭命令 </span></p>

<table class=a0 border=1 cellspacing=0 cellpadding=0 width="95%"
 style='width:95.0%;margin-left:24.1pt;border-collapse:collapse;border:none'>
 <tr style='height:14.9pt'>
  <td width=836 valign=top style='width:836.15pt;border:solid windowtext 1.0pt;
  background:#E7E6E6;padding:0cm 5.4pt 0cm 5.4pt;height:14.9pt'>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><code><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>[root@localhost ~]# <b>enable -n break                  //</b></span></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian;color:black'>关闭</span></b></code><code><b><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>break</span></b></code><code><b><span style='font-size:10.0pt;
  line-height:200%;font-family:DengXian;color:black'>命令</span></b></code></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><code><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>You have new mail in /var/spool/mail/root</span></code></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><code><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>[root@localhost ~]# <b>enable –n                         //</b></span></code><code><b><span
  style='font-size:10.0pt;line-height:200%;font-family:DengXian;color:black'>显示已经关闭的命令</span></b></code></p>
  <p class=MsoNormal style='line-height:200%;background:#E7E6E6'><code><span
  lang=EN-US style='font-size:10.0pt;line-height:200%;font-family:Menlo;
  color:black'>enable -n break</span></code></p>
  </td>
 </tr>
</table>

<p class=MsoNormal style='line-height:200%'><span lang=EN-US style='font-family:
"Microsoft YaHei"'>&nbsp;</span></p>

<p class=MsoNormal style='line-height:200%'><span lang=EN-US style='font-family:
"Microsoft YaHei"'>     </span></p>

<p class=MsoNormal style='line-height:200%'><span lang=EN-US style='font-family:
"Microsoft YaHei"'>&nbsp;</span></p>

<p class=MsoNormal style='line-height:200%'><span lang=EN-US style='font-family:
"Microsoft YaHei"'>&nbsp;</span></p>

<p class=MsoNormal align=center style='text-align:center;line-height:200%'><span
lang=EN-US style='font-family:"Microsoft YaHei"'>Copyright@david 
zhytwj2018@163.com</span></p>

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